GE Profile PSF26PGWBB

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Main Control Board
J2 Connector (Low-Voltage DC Side)
Pin Wire Color
Component
Termination
Input/
Output
Pin-to-Pin Voltage Reading
1 Blue
Evaporator fan
tachometer
Input Not applicable to this model.
2 Blue/White
Model Input J2 pin 2 to pin 3 = 12 VDC
3 White/Silver Fan Common Common J2 pin 3 to pin 8 = 12 VDC
4 Yellow/Black Evaporator fan Output
J2 pin 4 to pin 3 = 9.5 VDC (high),
8 VDC (med), 6.5 (low)
5 Yellow Condenser fan Output
J2 pin 5 to pin 3 = 10.5 VDC (high),
7.5 VDC (med), 5.5 VDC (low)
6 Black/White Fresh food fan Common
J2 pin 6 to pin 8 = 12 VDC (high),
10 VDC (med), 9 VDC (low)
7 Tan CustomCool™ fan Common J2 pin 7 to pin 8 = 12 VDC
8Red
Fan supply voltage
(12 VDC)
Output J2 pin 8 to pin 3 = 12 VDC
Main Control Board
J3 Connector (Low-Voltage DC Side)
Pin Wire Color
Component
Termination
Input/
Output
Pin-to-Pin Voltage Reading
1 Red/Yellow
Beverage center
fan
Input J3 pin 1 to J2 pin 8 = 12 VDC
3 Black QuickFreeze
™ fan Input J3 pin 3 to J2 pin 8 = 12 VDC
6 White/Gray 3-way valve The 3-way valve coil receives 12-VDC pulses from the main
board to change the position of the valve. The pulses come
too quickly to measure with a volt meter.
For test procedure see
3-Way Valve.
7 Black 3-way valve
8 Yellow 3-way valve
9 Red 3-way valve
10 Orange 3-way valve
Main Control Board
J1 Connector (Low-Voltage DC Side)
Pin Wire Color
Component
Termination
Input/
Output
Pin-to-Pin Voltage Reading
1 Red/Blue Fresh food evaporator thermistor Input N/A
2 Yellow Fresh food thermistor Input N/A
3 Red/White Freezer thermistor Input N/A
4 Blue/White Freezer evaporator thermistor Input N/A
5 Blue Thermistor supply voltage (5 VDC) Output J1 pin 5 to J2 pin 3 = 5 VDC
1
5
1
10
1
9
J1
J5
6
J3
J2
1
J4
1
8
Comm. 2-Way Digital
Comm. +12V
Comm. Common
FF Evaporator Thermistor
FF Thermistor
FZ Thermistor
FZ Evaporator Thermistor
+5V
Custom Cool Dual Damper +
Custom Cool Dual Damper -
+5V
Custom Cool Thermistor
Evaporator Fan (RPM)
Fan Common
Evaporator Fan
Condenser Fan
Custom Cool Fan
F
an +12V
3-Way Valve - Gray & White
3-Way Valve - Black
3-Way Valve - Orange
3-Way Valve - Red
3-Way Valve - Yellow
Custom Cool Single Damper -
Custom Cool Single Damper +
Fresh Food Fan
Model Selector
Beverage Center Fan
Quick Freeze Fan
Low Voltage DC
120 VAC
Model Selector
Model Selector
Model Selector
Model Selector
J15
1
Inverter Common
Inverter Output
(Not Used for
AC Compressor)
(Continued next page)